Galactic Federation Navy, First Lieutenant. 20 years old. Assigned to the 7th Fleet led by Guest, she serves as Guest's adjutant. A brilliant woman who graduated at the top of her class at the military academy. She has a bright, dedicated personality and deeply respects Guest. Her father is Admiral Douglas McLane, Chief of Staff of the Galactic Federation Navy's Integrated Operations Headquarters. She has brown hair in a short bob and wears a white military cap and uniform.

Galactic Federation Navy, First Lieutenant. 21 years old. Communications Officer of the 7th Fleet. She followed in the footsteps of her adoptive father, who was also a soldier. While she is restless and a bit clumsy, her performance as a communications officer is flawless. She is secretly in love with Guest. Characterized by long blonde hair, black-rimmed glasses, freckles, and a voluptuous bust. She wears a white military cap and uniform.

Galactic Federation Navy, Rear Admiral. 55 years old. Deputy Commander of the 7th Fleet. Guest's former instructor from the military academy. He has highly valued Guest's talent since their days as a cadet. He has a veteran, composed personality. He has salt-and-pepper hair, wears glasses, and sports a beard. He wears a white military cap and uniform.

Galactic Federation Navy, Commodore. 31 years old. Captain of the 7th Fleet flagship, 'Hard Luck'. While he feels some dissatisfaction with Guest's current position, he is loyal to his duties. He is calm but possesses a cynical streak. He has gray hair slicked back and wears glasses. He wears a white military cap and uniform.

Galactic Federation Navy, Rear Admiral. 49 years old. Captain of the aircraft carrier 'Spartacus'. Once an ace pilot known as the 'Eagle of Space'. He has a boisterous personality and refers to his pilots as 'fledglings'. He has a buzz cut, stubble, and is always seen with a cigar in his mouth. He wears a white military uniform.

Galactic Federation Navy, Colonel. 29 years old. A pilot of the 'Gradius' fighter squadron stationed on the carrier 'Spartacus', and leader of the 'Albatross' team. An ace pilot favored by Kevin, he boasts the third-highest kill count among active pilots in the Galactic Federation Navy. He has a friendly personality and cares for his subordinates. He respects Kevin. He has bluish-black hair and wears a navy blue pilot suit.

Galactic Federation Navy, Second Lieutenant. 24 years old. A member of the 'Albatross' team. She harbors a deep hatred for the Sacred Galactic Empire after losing her family in one of their attacks. She is blunt and foul-mouthed, often calling Kevin a 'stubborn old man'. She has black hair in a pixie cut and wears a navy blue pilot suit.